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Subject[PATCH v2 2/4] crypto: hisilicon/zip - add comments for 'hisi_zip_sqe'
Date
Some fields of 'hisi_zip_sqe' are unused, and some fields have misc
utilities. So add comments for used fields and make others unnamed.

Signed-off-by: Yang Shen <shenyang39@huawei.com>
---
drivers/crypto/hisilicon/zip/zip.h | 45 ++++++++++++++++++++++---------
drivers/crypto/hisilicon/zip/zip_crypto.c | 4 +--
2 files changed, 34 insertions(+), 15 deletions(-)

diff --git a/drivers/crypto/hisilicon/zip/zip.h b/drivers/crypto/hisilicon/zip/zip.h
index 9ed7461..b4d3e03 100644
--- a/drivers/crypto/hisilicon/zip/zip.h
+++ b/drivers/crypto/hisilicon/zip/zip.h
@@ -33,31 +33,50 @@ struct hisi_zip_sqe {
u32 consumed;
u32 produced;
u32 comp_data_length;
+ /*
+ * status: 0~7 bits
+ * rsvd: 8~31 bits
+ */
u32 dw3;
u32 input_data_length;
- u32 lba_l;
- u32 lba_h;
+ u32 dw5;
+ u32 dw6;
+ /*
+ * in_sge_data_offset: 0~23 bits
+ * rsvd: 24~27 bits
+ * sqe_type: 29~31 bits
+ */
u32 dw7;
+ /*
+ * out_sge_data_offset: 0~23 bits
+ * rsvd: 24~31 bits
+ */
u32 dw8;
+ /*
+ * request_type: 0~7 bits
+ * buffer_type: 8~11 bits
+ * rsvd: 13~31 bits
+ */
u32 dw9;
u32 dw10;
- u32 priv_info;
+ u32 dw11;
u32 dw12;
- u32 tag;
+ /* tag: in sqe type 0 */
+ u32 dw13;
u32 dest_avail_out;
- u32 rsvd0;
- u32 comp_head_addr_l;
- u32 comp_head_addr_h;
+ u32 dw15;
+ u32 dw16;
+ u32 dw17;
u32 source_addr_l;
u32 source_addr_h;
u32 dest_addr_l;
u32 dest_addr_h;
- u32 stream_ctx_addr_l;
- u32 stream_ctx_addr_h;
- u32 cipher_key1_addr_l;
- u32 cipher_key1_addr_h;
- u32 cipher_key2_addr_l;
- u32 cipher_key2_addr_h;
+ u32 dw22;
+ u32 dw23;
+ u32 dw24;
+ u32 dw25;
+ u32 dw26;
+ u32 dw27;
u32 rsvd1[4];
};

diff --git a/drivers/crypto/hisilicon/zip/zip_crypto.c b/drivers/crypto/hisilicon/zip/zip_crypto.c
index 989b273..3bc2148 100644
--- a/drivers/crypto/hisilicon/zip/zip_crypto.c
+++ b/drivers/crypto/hisilicon/zip/zip_crypto.c
@@ -253,7 +253,7 @@ static void hisi_zip_config_buf_type(struct hisi_zip_sqe *sqe, u8 buf_type)

static void hisi_zip_config_tag(struct hisi_zip_sqe *sqe, u32 tag)
{
- sqe->tag = tag;
+ sqe->dw13 = tag;
}

static void hisi_zip_fill_sqe(struct hisi_zip_sqe *sqe, u8 req_type,
@@ -339,7 +339,7 @@ static void hisi_zip_acomp_cb(struct hisi_qp *qp, void *data)
struct hisi_zip_req_q *req_q = &qp_ctx->req_q;
struct device *dev = &qp->qm->pdev->dev;
struct hisi_zip_sqe *sqe = data;
- struct hisi_zip_req *req = req_q->q + sqe->tag;
+ struct hisi_zip_req *req = req_q->q + sqe->dw13;
struct acomp_req *acomp_req = req->req;
u32 status, dlen, head_size;
int err = 0;
--
2.8.1
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